Tolong dibantu, jangan ngasal, pakai cara ya
belah ketupat
rumus
st =tu =sv
keliling = 4x sisi
=4xst
luas =1/2 diogonalsatukecilbawah x diogonal2kecilbawah
=1/2x su x tv
jadikan yg tercerdas
![](https://id-static.z-dn.net/files/d15/2ea1f22f3a7d3508ae3b83575a2479a2.jpg)
rumus
st =tu =sv
keliling = 4x sisi
=4xst
luas =1/2 diogonalsatukecilbawah x diogonal2kecilbawah
=1/2x su x tv
jadikan yg tercerdas
Jawaban:
< P : < Q = 8 : 7
< P + < Q = 180°
< P = 8/15 × 180°
= 96°
< QPR = 1/2 <P
= 1/2 × 96°
= 48°
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